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Development timeline of the gut-on-chip technology. Ref. [18] ©Copyright 2012 Nature. Ref. [42] ©Copyright 2013, Royal Soc Chemistry. Ref. [58] ©Copyright 2015, Royal Soc Chemistry. Ref. [40] ©Copyright 2016, Natl Acad Sciences. Ref. [44] ©Copyright 2019, Nature. Ref. [29] ©Copyright 2020, Nature.
